1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Leya [2.2K]
3 years ago
10

Tìm x a) 4x^2-12x=-9

Mathematics
1 answer:
DaniilM [7]3 years ago
5 0

Hi

Just told you :  first know by heart remarkable identities !  

Then apply :  

4x²-12x = -9

4x²-12x +9 =0

(2x-3)² = 0

(2x-3) (2x-3)  = 0

Now you have a double solution :

2x-3 = 0

and 2x -3 = 0

I let you try !

You might be interested in
What is the approximate area of a circle shown below?
hoa [83]

To find the area of a circle, the equation we use is 3.14*r^2.

We know 17^2 is 289.

So to find the area, we simply multiply 289 by 3.14, which would be 907.46

The answer is option B.

6 0
3 years ago
Read 2 more answers
There are 17.8 grams of salt in a solution. If 5.9 grams of salt are added to the solution, how many grams of salt will be in th
astraxan [27]

Answer:

Step-by-step explanation:

2

4 0
4 years ago
PLEASE HELP!! BRAINLIEST OFFERED! IF CORRECT!! THANKS!!
muminat

Answer:

Step-by-step explanation: its b

5 0
3 years ago
Read 2 more answers
If a car drove 180 miles in 3 hours and a truck drove 150 miles in 2 hours, what is the speed (in miles per hour) of the faster
grigory [225]

Step-by-step explanation:

Divide 180 by 3 = 60

Divide 150 by 2 = 75

The faster vehicle is truck and its speed is 75 mph

6 0
3 years ago
Solve for x <br>x/3 = 5/8​
dlinn [17]

Answer:

x = 15/8

Step-by-step explanation:

x/3 = 5/8

Using cross products

8x = 3*5

8x = 15

Divide each side by 8

8x/8 = 15/8

x = 15/8

3 0
3 years ago
Read 2 more answers
Other questions:
  • 15 divided by 5/8 give me answer
    13·1 answer
  • Samantha has a king of hearts, jack of Simone's, and a 3 of spades. Write an expression to find the value of her cards
    11·1 answer
  • You are having a discussion about sequences with your classmate. She insists that the sequence 2, 3, 5, 8, 12 must be either ari
    11·1 answer
  • 308 students went on a field trip. Ten buses were filled and 8 students traveled in cars. How many students were in each bus ?
    9·2 answers
  • You can peel 4 potaoes in 10 minute. How long will it take you to peel 14 potatoes?
    9·2 answers
  • 20 PTS QUICK QUICK PLEASE! 1 MINUTE ONLY! WITH EXPLANATION PLEASE! ANSWER 3 QUESTION AND YOU WILL BE THE BRAINLIEST!
    11·1 answer
  • Alarger number is 2 more than 4 times a smaller number. The larger number is also 8 more than 2 times the smaller number. 4x+2 y
    5·1 answer
  • I’ll mark you brainlist I’ll mark you brainlist
    8·2 answers
  • What is the scale factor from figure a to figure b
    5·1 answer
  • The function yp(t)=ln(3 2t), t&gt;−32, is a particular solution to the differential equation y′′ 7y=g(t). find g(t)?
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!